RE: Downloading a file from an Action class.

[Frank Zammetti]

The problem I think is that you are never writing your output to the 
Response object.  I'm guessing you think that setting the filename in the 
header as you are doing will be sufficient, but it's not.  Try something 
along these lines:

ServletOutputStream out = response.getOutputStream();
ba.writeTo(out);
out.flush();
In this case, ba is actually a ByteArrayOutputStream, so you'll have to 
figure out the proper cast/wrapping for your case.  Actually, if the file 
you are trying to return is in-memory, then it shouldn't be a big deal.  If 
it's on the file system, just open the file and get a stream off it, then 
write it out to OUT above (diid that make sense??)

Frank
From: "Miquel Angel" <[EMAIL PROTECTED]>
Reply-To: "Struts Users Mailing List" <[EMAIL PROTECTED]>
To: "Struts Users Mailing List" <[EMAIL PROTECTED]>
Subject: Downloading a file from an Action class.
Date: Thu, 10 Jun 2004 14:01:05 +0200
        Hi!
	I try to download a file from an action class to the user PC. That's what 
I
do in the action class:

                String Path                     = "C:" + java.io.File.separator;      
//Location of the file
                String FileName                         =  Path + "CSV.TXT";           
               //Name of the file
                int buffer                              = 10 * 1024;
                File file                               = new File(FileName);
                FileOutputStream fos            = new FileOutputStream(file);
                //Fill the file with some information.
                PrintWriter pw = new PrintWriter(fos);
                for (int i = 0; i< 200; i++) {
                        pw.write("l1 campo1" + ";" + "l1 campo2" + ";" + "l1 campo3" + 
"\n");
                        pw.write("l2 campo1" + ";" + "l2 campo2" + ";" + "l2 campo3" + 
"\n");
                }
                pw.flush();
                pw.close();
                fos.close();
                //download
                response.reset();
                response.setContentType("text/plain");
                response.setHeader("Content-Disposition", "attachment; filename=\"" +
file.getName() + "\"");
                response.flushBuffer();
                return null;
        All works fine, but when the user save the file, it's empty. Any ideas..
Thanks in advance.
Miquel Angel Segui
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